Bf-185 Micro Usb 3.5mm Fm Transmitter For Car Audio, Mp3/mp4 Player

Supported by huge market experience, we are the famous Exporter, Manufacturer & Supplier of BF-185 Micro USB 3.5mm FM Transmitter for Car Audio, MP3/MP4 Player in Shenzhen, Guangdong, China.
First plug the male USB 5 into a car with a female 5V USB port for power supply of FM-185, at the same time by micro USB 3 for power charging of audio/video products. Through 1 to 4 to adjust the transmitting frequency, in order to achieve the best playback. Insert 2 into the headphone port for audio and video products for audio (such as music/story telling) output to FM-185 and the sound transmitted through the FM-185 audio launch function. Adjust the car radio frequency the same as the frequency of FM-185, so that the car radio to receive the audio signal of FM-185, at the same time this audio can be played through the car stereo amplifier
Short pressing the button 1, frequency will automatically increases 0.1MHz. Long pressing the button 1, will continuous increasing the frequency by 0.1MHz. Short pressing the button 4, frequency will automatically decreases 0.1MHz. Long pressing the button 4, will continuous decreasing the frequency by 0.1MHz. You can choose the frequency between the 87.5~108.0 to achieve the best sound reception quality
Plug 2 into the headphone port of portable audio/video player, enable audio signal output to FM-185 for transmission